/*
 * Copyright 2022 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package functionalinterface

class FunctionalInterfaces {
  fun interface NonParametrized {
    fun apply(string: String): String
  }

  fun interface Parametrized<T> {
    fun apply(t: T): T
  }

  fun interface Specialized : Parametrized<String> {
    override fun apply(string: String): String
  }

  fun interface WithDefaultMethod {
    fun apply(string: String): String

    fun defaultApply(string: String): String {
      return apply(string)
    }
  }
}
